Welcome Lake adopted 3 May 1951 on 92G, as labelled on Geological Survey sheet 997A, New Westminster & Nanaimo Mining Divisions, 1908, and on BC map 2B, 1914. Name changed to Como Lake 4 July 1957 on 92G/SE, being the established local name.

Source: BC place name cards, or correspondence to/from BC's Chief Geographer or BC Geographical Names Office

Como Lake on records since 1891.

Source: Canadian Geographical Names Database, Ottawa

Possibly refers to a Kanaka (Hawaiian) named Como, who was with Chief Factor McMillan when the latter sailed up the Fraser River to found Fort Langley in 1827.

Source: BC place name cards, or correspondence to/from BC's Chief Geographer or BC Geographical Names Office

"Various origins have been suggested for this name: Como, a Sandwich Islander or Hawaiian who belonged to the party that founded Fort Langley in 1827; Lake Como in northern Italy; or even a compound of 'Co' for Coquitlam and 'mo' for Port Moody."

Source: Akrigg, Helen B. and Akrigg, G.P.V; British Columbia Place Names; Sono Nis Press, Victoria 1986 /or University of British Columbia Press 1997